Folding knife



FIG. 1 is a perspective view of a folding knife showing our new design;

FIG. 2 is an end view thereof looking in the direction of the blade;

FIG. 3 is an end view thereof opposite the view of FIG. 2;

FIG. 4 is a side elevation view thereof with the knife blade extending to the right;

FIG. 5 is a side elevation view of the side opposite FIG. 4 with the knife blade extending to the left;

FIG. 6 is the top plan view thereof;

FIG. 7 is the bottom plan view thereof;

FIG. 8 is a perspective view thereof with the blade in the folded position;

FIG. 9 is an end view of FIG. 8 looking in the direction of the knife where the blade connects to the handle;

FIG. 10 is an end view opposite the view of FIG. 9;

FIG. 11 is a side elevation view of FIG. 8;

FIG. 12 is a side elevation view of the side opposite FIG. 11;

FIG. 13 is the top plan view of FIG. 8; and,

FIG. 14 is the bottom plan view of FIG. 8. 

CLAIM The ornamental design for a folding knife, as shown and described. 